udp2json-kafka.xml

<!-- 
  Receive flow data over UDP, convert them into JSON and provide them as
  a server on local port
-->
<ipfixcol2>
  <!-- Input plugins -->
  <inputPlugins>
    <input>
      <name>UDP collector</name>
      <plugin>udp</plugin>
      <params>
        <!-- List on port 4739 -->
        <localPort>4739</localPort>
        <!-- Bind to all local adresses -->
        <localIPAddress></localIPAddress>
      </params>
    </input>
  </inputPlugins>

  <!-- Output plugins -->
  <outputPlugins>
    <output>
      <name>JSON output</name>
      <plugin>json-kafka</plugin>
      <params>
        <!-- JSON format paramters -->
        <tcpFlags>formatted</tcpFlags>
        <timestamp>formatted</timestamp>
        <protocol>formatted</protocol>
        <ignoreUnknown>true</ignoreUnknown>
        <ignoreOptions>true</ignoreOptions>
        <nonPrintableChar>true</nonPrintableChar>
        <octetArrayAsUint>true</octetArrayAsUint>
        <numericNames>false</numericNames>
        <splitBiflow>false</splitBiflow>
        <detailedInfo>false</detailedInfo>
        <templateInfo>false</templateInfo>

        <!-- Output methods -->
        <outputs>
          <kafka>
            <name>Send to Kafka</name>
            <brokers>127.0.0.1</brokers>
            <topic>ipfix</topic>
            <blocking>false</blocking>
            <partition>unassigned</partition>

            <!-- Zero or more additional properties -->
            <property>
              <key>compression.codec</key>
              <value>lz4</value>
            </property>
          </kafka>
        </outputs>
      </params>
    </output>
  </outputPlugins>
</ipfixcol2>